/*
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 * and open the template in the editor.
 */
package servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import presenter.Presenter;

/**
 *
 * @author root
 */
public class AcceptContact extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        HttpSession destSession = null;
        String newContact = (String) request.getParameter("newcontact");
        int i = 0;
        boolean trouve = false;
        while (i < ConnectedServlet.sessions.size() && !trouve) {
            if (ConnectedServlet.sessions.get(i).getAttribute("login").equals(newContact)) {
                destSession = ConnectedServlet.sessions.get(i);
                trouve = true;
            }
            i++;
        }
        ArrayList<String> demandeContact = (ArrayList<String>) session.getAttribute("demandeContact");
        ArrayList<String> demandeAccepte = (ArrayList<String>) session.getAttribute("demandeAccepte");
        ArrayList<String> contacts = (ArrayList<String>) session.getAttribute("contacts");
        i = 0;
        trouve = false;
        while (i < contacts.size() && !trouve) {
            if (contacts.get(i).equals(newContact)) {
                trouve = true;
            }
            i++;
        }
        if (!trouve) {
            contacts.add(newContact);
            Presenter.addContact((String) session.getAttribute("login"), newContact);
        }
        i = 0;
        trouve = false;
        while (i < demandeContact.size() && !trouve) {
            if (demandeContact.get(i).equals(newContact)) {
                demandeContact.remove(i);
                trouve = true;
            }
            i++;
        }
        i = 0;
        trouve = false;
        while (i < demandeAccepte.size() && !trouve) {
            if (demandeAccepte.get(i).equals(newContact)) {
                demandeAccepte.remove(i);
                trouve = true;
            }
            i++;
        }
        session.setAttribute("demandeContact", demandeContact);
        session.setAttribute("demandeAccepte", demandeAccepte);
        session.setAttribute("contacts", contacts);
        if (destSession != null) {
            ArrayList<String> otherContactsList = (ArrayList<String>) destSession.getAttribute("contacts");
            ArrayList<String> otherDemandeContact = (ArrayList<String>) destSession.getAttribute("demandeContact");
            ArrayList<String> otherDemandeAccepte = (ArrayList<String>) destSession.getAttribute("demandeAccepte");

            i = 0;
            trouve = false;
            while (i < otherContactsList.size() && !trouve) {
                if (otherContactsList.get(i).equals(newContact)) {
                    trouve = true;
                }
                i++;
            }
            if (!trouve) {
                otherContactsList.add((String) session.getAttribute("login"));
            }

            i = 0;
            trouve = false;
            while (i < otherDemandeAccepte.size() && !trouve) {
                if (otherDemandeAccepte.get(i).equals((String) session.getAttribute("login"))) {
                    otherDemandeAccepte.remove(i);
                    trouve = true;
                }
                i++;
            }
            i = 0;
            trouve = false;
            while (i < otherDemandeContact.size() && !trouve) {
                if (otherDemandeContact.get(i).equals((String) session.getAttribute("login"))) {
                    otherDemandeContact.remove(i);
                    trouve = true;
                }
                i++;
            }
            destSession.setAttribute("demandeContact", otherDemandeContact);
            destSession.setAttribute("contacts", otherContactsList);
            destSession.setAttribute("demandeAccepte", otherDemandeAccepte);
        }
        request.setAttribute("thisSession", session);
        request.setAttribute("waitingFile", Presenter.getWaitingFile((String) session.getAttribute("login")));
        String demand = "false";
        request.setAttribute("demand", demand);
        RequestDispatcher d = request.getRequestDispatcher("/WEB-INF/contactadded.jsp");
        d.forward(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
